Comedy heavyweight Kirstie Alley is capitalizing on her super-sized self -- and the sensitive subject of obesity -- in her new sitcom, "Fat Actress." The Early Show correspondent Kelly Cobiella says it's an-over-the-top show in which Alley plays herself, a woman at war with food, her weight, and Hollywood. With self-deprecating humor, she makes jokes about being fat and unemployable in show business. "She's the fat girl on the outside trying to get back in," notes TV Guide critic Rochelle Thomas, "and that's why people will watch. People identify with her, at least, I identified with her (struggles)." But, observes...